Question

For our codebase, i need to find all the catch statements that don’t print the stacktrace..

So a line like this;

catch (Exception e) { }

or

catch (Exception e) { 
    Do Something
}

or

 catch (Exception e) {

 }

While not including if the string “StackTrace” is included anywhere between the { }

I’ve this

 catch\b\s*\(.*\)\s*\{.*\n*(?!stackTrace).*\n*\}

Which seems to be mostly working except for multiple lines..

Can anyone help?

Thanks

EDIT: Some examples of failures.. It tends to fail on this;

} catch (NameNotFoundException e) {

    }

It works for this

} catch (JSONException e) {
        }

Answer 1

I would use a regular expression to find each catch(...) then scan downwards line-by-line, counting open/close braces until the end of the catch block. At each line of the scan using a regex to check for “StatckTrace”.